Angela (played by Angela Kinsey) knows about "geaux" because she's actually from Lafayette and still has family that lives here, had this to say:

Brian Baumgartner who played doofus Kevin Malone retweeted the video, but wasn't aware of what school it was, saying "What school is this? Cause I think I need to go visit."

That, of course, drew southern hospitality out and people invited him with tickets to a game, as well as feeding him Cajun cuisine. Some even asked him to cook Kevin's chili, from a now famous episode of the show.